Closes the client's current spool file.
If AbortQueueFlag is zero, the spool file is placed at the end of the print queue. If AbortQueueFlag is set, the spool file is not placed in the print queue; instead, the spool file's status flags are examined.
If the spool file is marked for deletion after printing, the file is immediately deleted; if not, the print server closes the spool file and disregards it.